Sweet Sir Galahad, at Woodstock, in which she calls her writing "mediocre". I wonder if she truly meant that, or if it was just really hard not to have your writing compared with Bob Dylan back then when you were a folk singer
YouTube - Joan Baez - Sweet Sir Galahad
Her voice has aged pretty nicely too, it might not as clear as it used to be, but I enjoy her lower register.
House Of The Rising Sun:
YouTube - Joan Baez - House of the Rising Sun
Her cover of Babe, I'm Gonna Leave You (predates LZ's obviously, but it's such a great song, it's hard to mess it up)
YouTube - Joan Baez - Babe I'm Gonna Leave You